Implement for conditioning bobbins on textile spinning frames



Aug. 2, 1966 c. v. JONES, SR

IMPLEMENT FOR CONDITIONING BOBBINS ON TEXTILE SPINNING FRAMES Filed July 50, 1964 United States Patent M 3,263,407 IMPLEMENT FOR EUNDITIONING BOBBINS @N TEXTILE SPINNING FRAMES Coy J. Jones, Six, Greer, S.C., assignor to Southern Machinery Company, Greer, 5.6)., a corporation of South Carolina Fiied July 30, 1964, Ser. No. 386,170 8 Claims. (CI. 57-34) This invention relates to textile spinning frames and more particularly to an implement used in connection with spinning frames for conditioning bobbins produced by the spinning frames.

As is well known to those skilled in the art, bobbins produced on spinning frames of the movable ring rail type have two tail ends of yarn at the time of completion and after lowering of the ring rail, preparatory to dotting. One of these yarn tail ends is commonly called the start up tail. The yarn constituting the start up tail comes from the drafting system of the spinning frame and through the ring traveler and then inwardly so as to form several yarn wraps on the spindle immediately below the bobbin when the ring rail is fully lowered as for dofling and placing new bobbins upon the spindles. From the few wraps on the spindle, the yarn extends spirally across the butt of the bobbin and then is wound directly into the lowermost extremity of the yarn package as the ring rail gradually rises. Upon doffing of the bobbin after completion thereof, according to conventional procedures, this start up tail is broken and hangs loose for about one inch at the bottom of the package and the several yarn wraps remain on the spindle.

A second yarn tail end commonly called a doif tail, and of no concern in the present invention, is produced when the ring rail is lowered to the clotting position after the full building of the bobbins with or without the inclusion of a tip bunch on the upper tips thereof. When the ring rail is lowered preparatory to dofiing, either manually or automatically, the several wraps of yarn coming from the tip bunch or from the upper extremity of the package are wrapped on the exterior of the package in a wide spiral, and several more wraps of yarn are wound on the spindle immediately below the bobbin butt until the spindle coasts to a stop. When the bobbins are doffed, the yarn is broken between the wraps on the spindle and those few wraps on the packvention to provide means for eliminating the start up tail at any time during the bobbin building process when the ring rail has achieved a sufficient elevation to allow use of the invention implement. The invention is in no way concerned with the treatment or elimination of the doif tail because at the time when the invention is employed, the bobbins are being gradually built and the doff tail has not yet been created by the final lowering of the ring rail.

Two reasons why it is desirable to eliminate the start up tail are the following. The start up tail can become entangled after dofiing with the dolf tail of the same bobbin. If this occurs, the tip bunch cannot be pulled off properly in the magazine filling system of the loom. Furthermore, the start up tail of a bobbin can become entangled with the doif tail of another bobbin in the same container. When the two bobbins are pulled apart,

' the tip bunch can be pulled off. The invention by com- 3,263,407 Patented August 2, 1 966 the bobbins for more eflicient use in modern looms, as will be understood by those skilled in the art.

Another object'of the invention is to provide a bobbin start up tail eliminator in the nature of a simplified adjustable manual implement which may be guided along the fixed spindle rail in a rapid manner by the user to efficiently condition the bobbins with uniformity while application and in which like numerals are employed to designate like parts throughout the same.

FIGURE 1 is a partly diagrammatic fragmentary front elevation of a movable ring rail spinning frame, illustrating use of the invention in connection therewith for conditioning bobbins in the frame,

FIGURE 2 is a enlarged fragmentary transverse vertical section taken on-line 2-2 of FIGURE 1, and

FIGURE 3 is a perspective view of the invention implement together with a fragmentary portion of the spinning frame with which it coacts.

In the drawings, wherein for the purpose'of illustration is shown a preferred embodiment of the invention, the numeral 10 designates the stationary horizontal spindle rail of a conventional spinning frame having the usual vertically movable ring rail 11 and associated parts. A plurality of spindles 12 are rotatably mounted upon the fixed spindle rail 10 and revolve in unison on their vertical axes of rotation under the influence of well known driving tape means 13 and associated parts. A corresponding number of bobbins 14 are applied removably over the spindles 12 and have body portions or packages 15 of yarn gradually built thereon during the traversing action of the ring rail 11, according to a mode of operation which is conventional and well known in the art and need not be described herein. In the drawings, the several bobbins 14 are shown with their packages of yarn partially completed and the ring rail 11 is in an intermediate position sufficiently spaced from the spindle rail 10 to permitefiicient use of the inventionimplement designated generally by the numeral 19.

As shown in the drawings, particularly FIGURE 3, and the right-hand portion of FIGURE 1, the few yarn wraps '18 on the spindles 12 immediately below the butts 31 of the bobbins are created there when the ring rail was previously in the fully lowered doffing position below the bobbin butts at the time that the new bobbins shown in the drawingslwere applied-to the spindles. The yarn constituting the wraps 18 is derived through the drafting system of the spinning frame and through the ringtravelers, not shown, on the ring rail. When the ring rail began to rise from the extreme lowered position, not shown, toward the position shownin FIGURE 1, the yarn was passed across the bobbin butts 31 as indicated at 18' and leads directly into the bottom of the yarn pack age, 15, as clearly shown. As previously explained, the conventional bobbin doffing operationafter the completion of bobbin building causes breaking of the yarn ends between the packages and the spindle wraps'18 and this is what produces the objectionable loose .start up tails on .the completed bobbins which are customarily about one inch long or a bit more. As stated, this invention processes or eliminates the start up tails at a convenient time during the bobbin building cycle and actually before a) the loose tails are created by the breaking or severing thereof at doffing.

The invention implement 19 per se comprises a sturdy flat rectangular plate body portion, as shown, somewhat elongated in the vertical direction during use and having a centrally located rigid handle 20 secured thereto and extending beyond one side thereof at right angles to the plate body portion. The handle 20 is preferably of a shape and size to allow convenient grasping by one hand. The handle 20 may have a screw-threaded connection at 21, FIGURE 2, with the plate body portion 19, if desired, so that the parts may be separated.

The plate body portion 19 of the implement is provided near and above its lower edge and in its forward face with a transverse groove or recess 22 adapted to receive slidably the forward horizontal edge portion 23 of the spindle rail 10. The groove 22 which is horizontal during use constitutes a means for guiding the implement smoothly and rapidly in a straight path along the row of bobbins 14 to condition them in the desired manner.

The plate body portion 19 has a pair of parallel spaced vertically extending slots 24 extending therethrough near opposite sides thereof and receiving screws 25, as shown in the drawings. The screws 25 carry winged clamping nuts 26 adapted to bear against the rear face of the plate body portion 19 for clamping the screws 25 in selected adjusted positions Within the slots. The forward ends or heads 27 of screws 25 are secured to thin flat cross strips 28 which lie from the forward face of body portion 19 and are adjustable vertically with the screws 25 to selected points on the implement.

The elements or strips 28 constitute the carriers for lower and upper bruhes 29 and 30, each comprising a horizontally elongated rectangular bundle of brush bristles projecting forwardly of the strips 28 at right angles thereto and suitably anchored thereto firmly. The bristles of the lower brush 29 are longer than the bristles of the upper brush 30, a clearly shown in FIGURE 2, and are preferably former of bronze or brass wire. The bristles of the upper brush 30 are preferably formed of nylon or some suitable plastic. Due to its longer bristles, the lower brush 29 projects considerably further forwardly of the body portion 19 than the upper brush, for a reason to be further described.

The use or operation of the invention is as follows. After the ring rail 11 has reached a sufiicient elevation above the spindle rail 10 during bobbin building, and while the spinning frame is in full operation, the operator or pinner grasps the handle 20 of the implement firmly in one hand and brings the guide groove 22 into sliding engagement with the edge of the spindle rail 10. The operator then simply walks along the spinning frame fairly rapidly in the direction of the arrow in FIG- URE 1 while continuing to hold the implement and maintaining its guided sliding engagement with the edge of the spindle rail.

A shown most clearly in FIGURE 2, the above operation causes the lower brush 29 having the longer metal bristles to engage and sever the yarn strand 18' between it and the several wraps 18 on the spindle and adjacent the bottom of the bobbin butt 31. Substantially simultaneously, the upper brush 30 with the nylon or plastic bri tles will engage the severed yarn end which would normally constitute the objectionable start up tail in conventional practice, and wind the same up into the lower extremity of the package 15 as shown approximately at 32 in the drawings. The upper brush 30 will also embed the wound up yarn portion 32 to a certain extent into the surface of the package so that it cannot readily become unwound after processing with the invention.

Another important feature of the invention is that the lower brush 29 simultaneously with the severing of the yarn adjacent the bobbin butt 31 engages the yarn wraps 18 on the spindle acorn and effectively cleans or removes the wraps therefrom, thus overcoming another bothersome problem known to the art. The above operation is of course repeated in the identical manner for each bobbin in succession a the operator moves the implement smoothly along the spinning frame. At each bobbin, the yarn 18' will be severed and the loose end will be wrapped up into the package at 32 and the wraps 18 will be cleaned or removed from the spindle, as stated. The invention implement acts upon the bobbins with almost perfect uniformity and preconditions them to overcome the above-de cribed deficiencies of the conventional prior art.

Since the brushes 29 and 34 are adjustable in the slots 24, their spacing may be varied in the required manner so that the two brushes will properly straddle the bobbin butts 31, as shown in FIGURE 2, and properly engage the yarn above and below the butts, as described. The two brushes are properly adjusted prior to use and can be made to accommodate various types or designs of bobbins and spindles which may be encountered in practice.

It is believed that the full advantages of the invention and its usefulness will now be apparent to those skilled in the art without the need for a further description or illustration.

/ It is to be understood that the form of the invention herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape, size and arrangement of parts may be resorted to, without departing from the spirit of the invention or scope of the subjoined claims.

Having thus described my invention, I claim:

1. An implement for conditioning bobbins during winding in a spinning frame having a fixed spindle rail and vertically oriented bobbin supporting spindles thereon comprising, a hand held body portion adapted for guided engagement with the fixed spindle rail of the spinning frame as the implement is moved along the spinning frame, and means on the body portion projecting from one side thereof to engage and sever yarn ends extending from the lower portion of the bobbins in the spinning frame and to wrap the severed yarn ends into the yarn packages of the bobbins and to also engage the bobbin spindles immediately below the bobbins to clean wraps of yarn therefrom.

2. A device for preventing the formation of loose start up tails on bobbins formed in a spinning frame having a fixed spindle rail and vertically oriented bobbin supporting spindles thereon comprising, a hand held implement body portion adapted for guided engagement with fixed spindle rail during sliding movement therealong, and a pair of spaced adjust-able elements on the body portion projecting beyond one side thereof, one of said elements rubbingly engage the bobbins immediately above the butts thereof and the other of said elements engaging the spindles carrying the bobbins immediately below said bobbin butts so as to engage and sever yarn ends extending from the lower portion of the bobbins and to wrap the severed yarn ends into the yarn packages of the bobbins.

3. The invention as defined by claim 2, and wherein said engaging elements are upper and lower brush units on said body portion, and means adjustably clamping the brush units to the body portion, whereby the spacing between the brush units may be varied so that the brush units may straddle the butts of bobbins during use.

4. The invention as defined by claim 3, and wherein p the upper brush unit embodies a horizontally elongated of the lower brush unit with the bobbin spindles immediately below the bobbin butts.

5. The invention as defined by claim 4, andwherein the bristles of the upper brush unit are nylon and the bristles of the lower brush unit are brass to enhance their yarn cutting capacity.

6. A bobbin conditioning device comprising a plate body portion having a pair of parallel slots formed therethrough and a groove in one face thereof substantially at right angles to said slots, a manipulating handle on the plate body portion centrally thereof and substantially at right angles thereto and extending from the side of the plate body portion remote from said groove, a pair of relatively stiff somewhat yielding elements carried by the plate body portion and projecting forwardly of the side thereof having said groove, and fastener means carrying the rubbing elements and said slots clampingly and adjustably so that the spacing between the elements may be varied.

7. For use in conjunction with the horizontal longitudinal edge of a spinning frame spindle rail, a device for eliminating loose start up tails on bobbins in spinning frames, said device comprising a plate which is disposed upright during use and provided near its lower end and in its forward face with a transverse guide recess, said plate having vertically extending through slots above said recess substantially at right angles thereto, a pair of vertically spaced stiff brush sections, means carrying the brush sections and engaging adjustably within the through slots of the plate and suppporting the brush sections adjacent the forward face of the plate, and a handle secured to the plate and projecting beyond the rear face thereof remote from the brush sections.

8. A bobbin conditioning implement comprising a transportable body portion having a handle and adapted for guided engagement :along a straight rigid member supporting bobbins having yarn wound thereon, and spaced yarn engaging elements on said body portion for engaging yarn on said bobbins above and. below the butts of the bobbins, respectively, to sever yarn, extending from the lower portion of the bobbins, close to the bottoms of the butts of the bobbins and wrap it up into the packages of the bobbins above said butts.

References Cited by the Examiner UNITED STATES PATENTS 1,085,662 2/1914 Brunner 57-56 XR FOREIGN PATENTS 2,014 1858 Great Britain.

STANLEY N. GILREATH, Primary Examiner. 

1. AN IMPLEMENT FOR CONDITIONING BOBBINS DURING WINDING IN SPINNING FRAME HAVING A FIXED SPINDLE RAIL AND VERTICALLY ORIENTED BOBBIN SUPPORTING SPINDLES THEREON COMPRISING, A HAND HELD BODY PORTION ADAPTED FOR GUIDED ENGAGEMENT WITH THE FIXED SPINDLE RAIL OF THE SPINNING FRAME AS THE IMPLEMENT IS MOVED ALONG THE SPINNING FRAME, AND MEANS ON THE BODY PORTION PROJECTING FROM ONE SIDE THEREOF TO ENGAGE AND SEVER YARN ENDS EXTENDING FROM THE LOWER PORTION OF THE BOBBINS IN THE SPINNING FRAME AND TO WRAP THE SEVERED YARN ENDS INTO THE YARN PACKAGES OF THE BOBBINS AND TO ALSO ENGAGE THE BOBBIN SPINDLES IMMEDIATELY BELOW THE BOBBINS TO CLEAN WRAPS OF YARN THEREFROM. 